Usage of Self-Motivating Achievements to Collect Accessibility Information of Indoor Environments.. In Margherita Antona, und Constantine Stephanidis (Hrsg.), Universal Access in Human-Computer Interaction - 17th International Conference, UAHCI 2023, Held as Part of the 25th HCI International Conference, HCII 2023, Proceedings, 477--488, Springer Nature Switzerland, Dortrecht u. a., Switzerland, 2023. [PUMA: FIS_scads volunteered inclusive information, crowdsourcing, people accessibility, disabilities with geographic indoor mobility, maps, area_responsibleai]